Technical Specifications Multi-channel digital input; Isolated input channels; Surge protection; Series 90-70 rack pluggable.
Functional Features Field discrete signal acquisition; Input status filtering; Channel status feedback to CPU.
Application Scenarios Power, heavy machinery, industrial equipment limit switch, proximity switch and relay contact signal collection.
Performance Parameters High noise suppression; Channel status LED indication.
Structural Characteristics Series 90-70 rack plug-in module, front LED channel indicators, field wiring terminal block.
Working Principle Detect on/off state of field discrete devices, convert signal into digital data and transmit to 90-70 CPU via backplane bus.
Installation Requirements Install on Series 90-70 backplane; Separate signal wiring from high voltage power cables.
Usage Notes Confirm input voltage level matches module specification. Check each channel status after power on.
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